Computer sub-system circuits



Oct. 1, 1968 Filed April 6. 1964 P. J. BROWN COMPUTER SUE-SYSTEM CIRCUITS 31 Sheets-Sheet 1 FIG. 1

cYcuc um REDUNDANCY INPUT RESIDUE CIRCUIT DIGITAL COMPARING CIRCUIT SUB-BLOCK ERROR PATTERN CHECK CIRCUIT RES'DUE CIRCUIT SUB-BLOCK POSITION 7 ERROR 4 5 INDICATOR mvemon PAUL J BROWN ATTORMMG' Oct. 1, 1968 P. J. BROWN 3,404,376

COMPUTER SUB- SYSTEM CIRCUITS Filed April 6, 1964 51%. Sheets-Sheet 2 LRC SAMPLE ma fi' A snar o 2s coR I \21 5 PATTERN 52 RD To R TEST .r--51 mm 0 *L 18 DATA ENTRY\ 54 12 TU TAPE A f n RR cRc CHAR 9 CPU RR om R/W OE T0 CPU\ TAPE RD mm 4\ REG 16 'x9 mo mm SH UP A 54 A 0R TFIND RACK mm mm nus X9 55 .x9 TEST cm mus ss A mm mm A x9 42 TRACK TIME A can cRAR vRc N CORRECIIOHS A 7,.) READ mac ENTER1 4s 2s so mm E/ RD TOCOR A m 0R P E HE 21 R CLOCK ERROR 28 ENTER vRc sum A ERROR I 58 TRACK 56 59 4o BLOCKING R GATE A C x9 LZEROTEST. 4?

LRC-SUM A m ERROR LRC SAMPLE TIHE Oct. 1, 1968 Filed April 6. 1964 P. J. BROWN COMPUTER SUB-SYSTEM CIRCUITS 516 Sheets-Sheet 3 F |G.5A

j EPR a VRC READ wane cum BUS F 55 109A as 52 32 I FINAL SKEW R-w AMPS REGS REG 4BA&B, 40A as 18A a B so 44A & 5 20A & B L v 6/ rmsr CRCH ffg an 28A, m

36 28B 275' T i DENS LRCH XLATOR SELN 21A a s comm 108A a a m a 5 22A a a LmEs 10 J T TAPE umrs 4 99A & B READ WRITE m CLIP RECG CLOCK VRC comm m as 106A as 47A & B

LINES I f FROM 1 TAPE umrs DEL CTR smuLArE SIHULATE 400A a a cums REG SELECT 117A&B,120 134,135 455 I I W fi 90 um CLK & on cm BKWD LP. CONTROLS 85MB 45MB H2A&B

RD a um new we cu cm &0EL cm QBB "3A a 8, uses 415 106A a a ru SEL DECODER 61A a B 62A & B s50 m0 [9 H 13M & a BUSY LATCHES 96A,B,C,D an a 6,

94A & B

Oct. 1, 1968 Filed April 6. 1964 COMPUTER SUB-SYSTEM C IRCUITS P. J. BROWN 316 Sheets-Sheet 5 BUS m 2 EXW SOB-AB AA AB AC ENTR ENTR gm 80MB -aus IN 0 A0 AR AS BUS m5 Em W W ENTR .x. 805 AG AD F M r M AT AU ENTR as 808 -BUS m 3 Av EXIT m Em ENTR AG F AH Aw Ax ENTR ENTR SGML -ADURESS m Bus m P M AY AZ sown SERVICE m W W ENTR ENTR .x, 808 M M F M BA BB EXIT EXIT Em 808M 0PERATIONAL m B0 ENTR as an mm cm 808% REOUEST m EXIT CHAN Oct. 1, 1968 P. J. BROWN 3,404,376

COMPUTER SUB-SYSTEM CIRCUITS Filed April 6. 1964 316 Sheets-Sheet 6 EXIT EXIT EXIT 8 BUS OUT I) AS AT AU EXIT EXIT ENTR 781w BUS OUT 4 x BUS OUT 3 T8 AA AV AW AA 78 AF -BU5 OUT I -BUS OUT 3 ENTR ENTR ENTR BUS OUT 0 T8 D AB 1 A0 A0 -BUS OUT I T8 c BUS OUT 2 78 AB EXIT EXIT ENTR BUS OUT 6 A r In A BUS OUT 7 T9 AE 79M -aus OUTS ENTII ENTR EIITR A? :6 A M T BUS OUT 5 79 AG -BUS OUT 6 T9 EXIT EXIT ENTII YQ-AR M A? F. E A {J W 79 AL -BUS OUT 7 ENTR ENTR ENTR BUS OUT P T9 AM AK AL AM 7 ADDRESS our 84 AL -CUMMAND OUT HI AK EXIT EXIT EXIT 84% ADDRESS our 8 T GOMMAN0 OUT 8 BC 8D SUPPRES5 OUT s4 84 SERVICE our AN ENTR ENTR ENTR M AN AP A0 -OPERATIONAL OUT BI SUPPRESS OUT AP 84 OPERATIONAL 0m -SELECT OUT EXIT EXIT EiIT EXIT EIITR 0 T BOB-AP II 3 BE BF BJ 5H 8I {MK HOLD our I Oct. 1, 1968 Filed April 6, 1964 COMPUTER SUB-SYSTEM CIRCUITS P. J. BROWN 316 Sheets-Sheet 8 EXIT Exn EXIT 99 SEL HIGH ORDER Cg C CE -wRnE BUS 0 52M -WRITE BUS 4 Exn EXIT EXIT EXIT a Aw A? 52% WRITE BUS 5 A F H 52 IE BU EXIT EXIT M 8;; 8;; 52M WRITE BUS 3 EXIT EXIT EXIT 99 'AE SH W 5 a?) at Bf: 99 -AB :2? 2 99 -AA EXIT EXIT EXIT M g 8 8g H J 52% WRITE BUS 2 99 M -SET READ smus Exn EXIT 99 uw x. 50 BR 99 -AH EXIT EXIT EXIT EXIT 99 AZ SEL w 4 B*L 5T4 JR P 99 M SEL TU 0 99 H -wRnE IRRccER RELEASE 99 WRITE PULSE SET WRITE STATUS 99 SEL we 99 -AV Exn EXIT EXIT EXIT Em 99 -AW 7 -X BU av EW BX e2 -REwmu Get. 1, 1968 Filed April 6. 1964 316 Sheets-Sheet 10 FIG.9

+DATA REG 5 TR 46'AN A 75W +READ am 2 AC 0R +ADDRESS sw 2 SOB-AR A 54W +ADDRESS m M 56 M +SENSE an 2 A (:5 36;? Ar; m2 AD 72B AG+SERV|CE m AB +aus m 2 AE +nm REG 11 TR 23A,80A 42-AN A 75W +READ BYTE 5 AF BOWL cu END smus WAN +nm REG TTR 755 AR +mo am a A MP +nm REG 4 TR AK 0R +DATA R 42 m A 42-AF 59 M T A W +DAA REG 2 TR M A OR OR +eus m 3 23A,80A AM ENE +SENSE am A" M A" A N BUS m5 sows MESS AP AR 23A AR +ausv smus 960-88 c A 539% +smum m M Oct. 1, 1968 Filed April 6, 1964 COMPUTER SUB-SYSTEM CIRCUITS P. J. BROWN 958 Ht! SEL 4 TR A 548 +ADDRESS m M 57 +SENSE BIT4 A 728% +SERVICE m A8 MN +RATA REG 5 TR O R +REAO BYTE 2 AC 4M" +DATA REG 1 TR 0% 755 +READ ems M 668 +CTRL com A +CHAN END TR OR AT MN +DATA REG 9 TR O R 758M +READ BYTE 4 AG HF +DATA REG 40 TR A A AH HF +DATA REG 2 TR M OR +DATA REG 6 TR A 45-AF AL A +SENSE B|T5 L 0R +TU SEL 5 TR A B9 SSE-A0 A0 960 +BUSY sTATus A A ET- AR 86% +REWIND UNLOAD TR AX 316 Sheets-Sheet 11 OR N Titans m 4 AE AV AE 23A +susm4 25mm AV 0R N BUS|N5 M AM AN 23A,429

+susm5 23A,80A

Oct. 1, 1968 Filed April 6. 1964 P. J. BROWN COMPUTER SUB-SYSTEM CIRCUITS 316 Sheets-Sheet 13 F I 6J2 man BUS ours A 83% +aus nun A AC +om REG 121R 9,11,18A mm SET em 2 L 7 -AM 5B +WR|TE s51 BYTE s A 09 N H w RE 7 TR DATA REG s2 TR 75A AE EM ZTA'AA G A 352% A 83B-AX U AH MW :mu sum BYTE 20R4 A 52w BUS our 2 AK 7 um REG m 9,11,18A L OR N A M AM AN -0ATA REG 11 TR 75A A AM 228M +READ TRANSLATE an 6 AP Oct. 1, 1968 Filed April 6. 1964 P. J. BROWN COMPUTER SUB-SYSTEM CIRCUITS 316 Sheets-Sheet 14 82B 8c +8U5 UUTi A AA BUS OUT 5 ass-Aw A AC I um REG L A 2 R'W REG 5 TR A 101 15 T581 +WRITE SET BYTE 2 AG 7581 +WRITE SET BYTE3 +BU5 OUT 4 82B-BE A 72B BE -RE5ET D 7-12 AH +BU5 OUT 0 aza-sa A READ SHIFT BYTE? AK ME AT 0R 4 228M +READ TRANSLATE BIT4 DATA REC 9TR +DATA REG 9TH Oct. 1, 1968 p, J, BROWN 3,404,376

COMPUTER SUB-SYSTEM CIRCUITS Filed April 6. 1964 316 Sheets-Sheet 15 m M +R-W REG 1 TR A +R-W REG T0 DATA REG BCF BUS 0m 1 85M wane s T an A nan-AP E E 1 AA 8My BUS OUT 3 A IRHE SET am 3 AC mm REG 8 TR L 9,111BAJ9A OR RESET 0 7 12 A 0R TZB-BE A0 AR DATA REGflTR 22W +READ TRANSLATE 21A an s A +aus our 2 82B-BF A v BUS OUTS ass-A. A

mm REG 1 m L 9,11,2IA mm READ SHIFT BYTE 0R 2 084 A oRt -0m REG 7 TR +REA0 TRANSLATEBIT 2 m an ZEHE READ TRANSLATE BIT 6 Oct. 1, 1968 P. J. BROWN 3,404,13 76 COMPUTER SUB-SYSTEM C IRCUITS Filed April 6. 1964 316 Sheets$heet 16 mm REG BTR 8,1OJ8A 82m +eus our:

+BUS OUTS 83am N 4 27AM +R-w REG 1 TR WM 725 RESETD 1-6 m +R-W REG 5 m 22B BA +READ TRANSLATE BIT 0 75B AH +WR|TE SET BYTE 3 I584, *WRITE SET BYTET DATA REG 5 TR 8,10,2TA M8 Av READ SHIFT BYTE TURS MEN) +R'W REG T0 DATA REG BCF 82B 8B BUS OUTO J 82B BE BUS OUT 4 AN A DAZTAAREYGSE TR An 2 +READ TRANSLATE BIT 6 AL R *R-W REG 4 TR 2 AM +READ SHIFT BYTE 20R 4 A T48 AT 0R Oct. 1, 1968 P. J. BROWN 3,404,376

COMPUTER SUB-SYSTEM CIRCUITS Filed April 6. 1964 316 Sheets-Sheet 17 228% +READ TRANSLATE am A +eus 0W3 aze-ao A AA +BUS our? 838 A1 a AC L A All +R-W REG an: 27A A MR mm wnmE 551 am 2 AG 75H, wane SET BYTE 1 f +eus ours 838M RESET n1 6 A AH +pm REG A" BUS OUTZ m s, 829 BF A 82 lmm AK OR N mm +READ sum am 10125 M A 41m REG mums A AL A +READ musuns an 4 AP A mm TRANSLATE anz F Oct. 1, 1968 Filed April 6, 1964 658% TRANSLATE HEB-AW ZZB-AS TSB-AH 22B-BA P. J. BROWN COMPUTER SUB-SYSTEM CIRCUITS FIGJT 316 Sheets-Sheet l8 +R-W REG 1 TR +BUS our 1 +WRITE SET awn +BUS OUT 5 +READ musmc BITS RE ET 0 1-6 AD +DATA REG 2 TR AF 8,10,19A L A 0R AL OR BUS our 0 AV WRITE SET BYTE2 HUS OUT 4 A N +DATA c me A AH AN 8,10,19A,20A READ sum em 10R3 A +READTRANSLATE m2 AP OR DATA REG 1m A" mmmmsme BITO M m. M

A +R-w REG 0 m if;

Oct. 1, 1968 P. J. BROWN 3,404,376

COMPUTER SUB-SYSTEM CIRCUITS Filed April 6. 1964 316 Sheets-Sheet 2O F IGJBB R-W REG 6 TR 25A,52

+ M REG 6 TR 27A, 134

+R-W REG 6 TR 25A R-W REG 6 TR +R-W REG 7 TR 27A, 434 AX -R-W REG 7 TR 27A +R-W REG 7 TR 25A R-W REG T TR 25A,52

+ H REG 4 TR 2mm +R-W REG 4 TR 25A -R-W REG 4 TR 25A,52 R-W REG 4 TR 27A R-W REG 5 TR 25A, 52

+ R-W REG 5 TR 25mm +R-W REG 5 TR 454 R-W REG 5 TR 27A AV 

